Question: Use the Fisher LSD test to compare active smokers with
Use the Fisher LSD test to compare active smokers with nonsmokers and to compare the two groups of smokers on the data in Exercise 16.21. What do these data suggest about the advisability of smoking while you are studying for an exam and the advisability of smoking just before you take an exam?
Relevant QuestionsSpilich et al. (1992) ran a third experiment in which the three groups of smokers participated in a driving simulation video game. The AS group smoked immediately before the game but not during it. The data follow, where the ...Refer to Exercise 16.1. Assume that we collected additional data and had two more participants in the Younger group with scores of 13 and 15. (a) Rerun the analysis of variance. (b) Run an independent groups t test without ...Use simple effect procedures to compare low-birth-weight and normal-birth-weight conditions for multiparous mothers. (Do this by recalculating the error term rather than using MSerror from the complete experiment.) Nurcombe, Howell, Rauh, Teti, Ruoff, and Brennan (1984) conducted an intervention program with mothers of low-birth-weight infants (LBW). (It is often difficult to recognize signals from low-birth-weight infants, and the ...Calculate and for the data in Exercise 17.11.
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